30718620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 93859584

約数和(自身を除く): 63140964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1087, 1413, 1570, 1884, 2174, 2355, 2826, 3140, 3261, 4348, 4710, 5435, 5652, 6522, 7065, 9420, 9783, 10870, 13044, 14130, 16305, 19566, 21740, 28260, 32610, 39132, 48915, 65220, 97830, 170659, 195660, 341318, 511977, 682636, 853295, 1023954, 1535931, 1706590, 2047908, 2559885, 3071862, 3413180, 5119770, 6143724, 7679655, 10239540, 15359310, 30718620]

約数ペア:

[(1, 30718620), (2, 15359310), (3, 10239540), (4, 7679655), (5, 6143724), (6, 5119770), (9, 3413180), (10, 3071862), (12, 2559885), (15, 2047908), (18, 1706590), (20, 1535931), (30, 1023954), (36, 853295), (45, 682636), (60, 511977), (90, 341318), (157, 195660), (180, 170659), (314, 97830), (471, 65220), (628, 48915), (785, 39132), (942, 32610), (1087, 28260), (1413, 21740), (1570, 19566), (1884, 16305), (2174, 14130), (2355, 13044), (2826, 10870), (3140, 9783), (3261, 9420), (4348, 7065), (4710, 6522), (5435, 5652)]